JPH0280689U - - Google Patents

Info

Publication number
JPH0280689U
JPH0280689U JP16084888U JP16084888U JPH0280689U JP H0280689 U JPH0280689 U JP H0280689U JP 16084888 U JP16084888 U JP 16084888U JP 16084888 U JP16084888 U JP 16084888U JP H0280689 U JPH0280689 U JP H0280689U
Authority
JP
Japan
Prior art keywords
jib
elevating
tip
jibs
hoisting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP16084888U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP16084888U priority Critical patent/JPH0280689U/ja
Publication of JPH0280689U publication Critical patent/JPH0280689U/ja
Pending legal-status Critical Current

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Landscapes

  • Jib Cranes (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本考案の実施例を示し、aは平面図、
bは側面図である。第2図は従来装置を示し、a
は侵縮ジブを有するクレーンの代表例、bは屈折
ジブを有するクレーンの代表例を示す。第3図は
本考案の装置の使用例として、3系統の吊り索長
さを任意に変化させることによる吊り荷の水平移
動作業状態を示す。 1……旋回台、2……俯仰ジブ、3……俯仰シ
リンダ、4,5……双頭ジブ、6,7……回動シ
リンダ、8,9,10……巻上装置。
FIG. 1 shows an embodiment of the present invention, a is a plan view,
b is a side view. Figure 2 shows a conventional device, a
b shows a typical example of a crane with an intrusive jib, and b shows a typical example of a crane with a retracting jib. FIG. 3 shows, as an example of the use of the device of the present invention, the horizontal movement of a suspended load by arbitrarily changing the lengths of the three suspension cables. 1... Swivel base, 2... Elevation jib, 3... Elevation cylinder, 4, 5... Double-headed jib, 6, 7... Rotating cylinder, 8, 9, 10... Hoisting device.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 車両、船舶等に支持台を介して旋回可能に取付
けられた旋回台と、旋回台に起伏可能にピン結合
された俯仰ジブとその俯仰ジブを起伏させる為の
油圧シリンダと、俯仰ジブに水平方向に回動可能
にピン結合された2対の先端ジブと、先端ジブを
回動させる為の油圧シリンダと、俯仰ジブ上面に
設置された3組の巻上装置と、先端ジブの先端部
に設置された2組の先端滑車及び俯仰ジブと先端
ジブとの結合部近くに設置された中間滑車と、巻
上装置より繰り出され実際に吊荷の揚降、支持を
行う3本の巻上索とからなることを特徴とする双
頭ジブを有するジブクレーン。
A swivel base that is rotatably attached to a vehicle, ship, etc. via a support base, an elevating jib that is pin-coupled to the swivel base so that it can be raised and lowered, a hydraulic cylinder for raising and lowering the elevating jib, and a horizontal direction attached to the elevating jib. Two pairs of tip jibs that are rotatably connected to each other by pins, a hydraulic cylinder for rotating the tip jibs, three sets of hoisting devices installed on the top of the elevating and elevating jibs, and a pair of hoisting devices installed at the tip of the tip jibs. two pairs of tip pulleys installed near the joint between the elevating jib and the tip jib, and three hoisting cables that are paid out from the hoisting device and actually lift and support the suspended load. A jib crane having a double-headed jib, characterized by comprising:
JP16084888U 1988-12-13 1988-12-13 Pending JPH0280689U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16084888U JPH0280689U (en) 1988-12-13 1988-12-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16084888U JPH0280689U (en) 1988-12-13 1988-12-13

Publications (1)

Publication Number Publication Date
JPH0280689U true JPH0280689U (en) 1990-06-21

Family

ID=31443273

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16084888U Pending JPH0280689U (en) 1988-12-13 1988-12-13

Country Status (1)

Country Link
JP (1) JPH0280689U (en)

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